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Stock Options (Tables)
9 Months Ended
Sep. 30, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of information about stock options

   Number of
options
   Weighted
average
exercise
price
   Weighted
average
contractual
term
(years)
   Aggregate
intrinsic
value
 
Outstanding at January 1, 2020   2,004,318   $1.72        $2,542,361 
Granted   691,046    2.52           
Forfeited   (65,829)   0.91         20,048 
Exercise   (6,666)   0.79         6,032 
Outstanding at September 30, 2020   2,622,869   $1.95    7.73   $1,209,562 
Vested and exercisable at September 30, 2020   1,676,871   $1.97    8.04   $1,000,844 
                     
Outstanding at January 1, 2019   620,900   $3.75           
Granted   1,334,851    0.85           
Forfeited   (174,933)   1.36         100,087 
Expired   (25,000)   6.20           
Outstanding at September 30, 2019   1,755,818   $1.75    8.83   $952,494 
Vested and exercisable at September 30, 2019   803,126   $2.64    8.18   $334,420 

Schedule of option input into a Black Scholes option pricing model

   Nine Months ended 
   September 30, 
   2020   2019 
Exercise price  $1.5   $0.85 
Expected life   5 years    6.8 years 
Expected volatility   73%   63%
Dividend yield   0%   0%
Risk-free interest rate   1.15%   2.40%